Single Photons Observed at Seemingly Faster-Than-Light Speeds

[Liffrea]

Researchers at the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology and the University of Maryland at College Park, can speed up photons (particles of light) to seemingly faster-than-light speeds through a stack of materials by adding a single, strategically placed layer.

http://www.sciencedaily.com/releases/2010/01/100126175921.htm